[heap,cctest] Get rid of protected-for-sake-of-testing scope.

test/cctest/test-unboxed-doubles.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 #include <utility>
 
 #include "src/v8.h"
 
 #include "src/compilation-cache.h"
 #include "src/execution.h"
 #include "src/factory.h"
 #include "src/global-handles.h"
 #include "src/ic/ic.h"
 #include "src/macro-assembler.h"
 #include "test/cctest/cctest.h"
+#include "test/cctest/heap-tester.h"
 
 using namespace v8::base;
 using namespace v8::internal;
 
 #if V8_DOUBLE_FIELDS_UNBOXING
 
 
 //
 // Helper functions.
 //
@@ skipping 1368 matching lines @@
 
   CHECK_EQ(boom_value, GetDoubleFieldValue(*obj, field_index));
 }
 
 
 static int LenFromSize(int size) {
   return (size - FixedArray::kHeaderSize) / kPointerSize;
 }
 
 
-TEST(WriteBarriersInCopyJSObject) {
+HEAP_TEST(WriteBarriersInCopyJSObject) {
   FLAG_max_semi_space_size = 1;  // Ensure new space is not growing.
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
-  TestHeap* heap = CcTest::test_heap();
+  Heap* heap = CcTest::heap();
 
   v8::HandleScope scope(CcTest::isolate());
 
   // The plan: create JSObject which contains unboxed double value that looks
   // like a reference to an object in new space.
   // Then clone this object (forcing it to go into old space) and check
   // that the value of the unboxed double property of the cloned object has
   // was not corrupted by GC.
 
   // Step 1: prepare a map for the object. We add unboxed double property to it.
@@ skipping 260 matching lines @@
 
 // TODO(ishell): add respective tests for property kind reconfiguring from
 // accessor field to double, once accessor fields are supported by
 // Map::ReconfigureProperty().
 
 
 // TODO(ishell): add respective tests for fast property removal case once
 // Map::ReconfigureProperty() supports that.
 
 #endif